StacktraceTop:handler_list_lookup (signal_id=1, instance=0x7f1c04009200) IA__g_signal_emit_valist (instance=0x7f1c04009200, signal_id=<value optimized out>, IA__g_signal_emit (instance=0x7f1c04009200, signal_id=67146240, detail=20) g_object_dispatch_properties_changed (object=0x7f1c04009200, n_pspecs=1, IA__g_object_newv (object_type=12742336, n_parameters=<value optimized out>,
StacktraceTop: handler_ list_lookup (signal_id=1, instance= 0x7f1c04009200) emit_valist (instance= 0x7f1c04009200, signal_id=<value optimized out>, 0x7f1c04009200, signal_id=67146240, detail=20) dispatch_ properties_ changed (object= 0x7f1c04009200, n_pspecs=1, type=12742336, n_parameters=<value optimized out>,
IA__g_signal_
IA__g_signal_emit (instance=
g_object_
IA__g_object_newv (object_